- Model:MAG B850 GAMING PLUS MAX WIFI
- AMD B850 chipset, Socket AM5, ATX form factor
- Supports AMD Ryzen 9000/8000/7000 series processors
- DDR5 memory up to 8200+ MT/s (OC), 256GB max capacity
- PCIe 5.0 slot, Wi-Fi 7, 5G LAN, USB 10Gbps
- 3 Years Warranty from MSI
Overview
The MSI MAG B850 GAMING PLUS MAX WIFI is a premium ATX motherboard designed for gamers and enthusiasts building with AMD Ryzen 9000, 8000, and 7000 series processors. Built on the AMD B850 chipset with Socket AM5 compatibility, this board delivers exceptional performance and stability for demanding gaming and productivity workloads.
Performance is driven by a robust 12+2+1 Duet Rail Power System with dual 8-pin CPU power connectors, 6-layer server-grade PCB with 2oz copper, and advanced thermal solutions including extended heatsinks and 7W/mK thermal pads. The board supports DDR5 memory up to 8200+ MT/s (OC) with dual-channel configuration and up to 256GB capacity, featuring EXPO and A-XMP support for optimized memory performance.
Connectivity is cutting-edge with PCIe 5.0 support, Wi-Fi 7 (802.11be), 5G LAN, and USB 10Gbps Type-C ports. Storage options include 1x PCIe 5.0 M.2 slot (128 Gbps), 1x PCIe 4.0 M.2 slot (64 Gbps), and 1x PCIe 4.0 M.2 slot (32 Gbps). The all-white aesthetic design with pre-installed I/O shield and EZ DIY features like EZ M.2 Shield Frozr II and EZ PCIe Release make assembly effortless.
Advanced features include Click BIOS X with Game Boost and AI Boost, MSI Center software suite with AI Engine and Cooling Wizard, Audio Boost with isolated audio structure, and comprehensive protection systems including OCP, TVS, and solid pin power connectors. The board is ready for AI PC applications and supports ATX 3.1 and PCIe 5.1 standards.
- AMD B850 chipset with Socket AM5 for Ryzen 9000/8000/7000 series
- 12+2+1 Duet Rail Power System with dual 8-pin CPU power connectors
- DDR5 memory support up to 8200+ MT/s (OC), 256GB maximum capacity
- PCIe 5.0 x16 slot with Steel Armor II and 1x PCIe 5.0 M.2 slot
- Wi-Fi 7 (802.11be) with 5G LAN and USB 10Gbps Type-C connectivity
- Extended heatsink design with EZ M.2 Shield Frozr II and 7W/mK thermal pads
- EZ DIY features: EZ M.2 installation, EZ PCIe Release, Flash BIOS button, Clear CMOS
- Pre-installed I/O Shield with stainless steel construction
- Click BIOS X with Game Boost, AI Boost, EXPO/A-XMP support
- MSI Center software with AI Engine, Cooling Wizard, and Mystic Light RGB control
- Audio Boost with isolated audio structure and high-quality audio capacitors
- All-white aesthetic design with color-coded headers for easy identification
- OCP protection, TVS surge protection, solid pin power connectors
- 64MB BIOS ROM for full CPU compatibility and future-proofing
- Ready for AI PC, ATX 3.1, and PCIe 5.1 standards
Specifications
- Chipset
- AMD B850
- CPU
- Supports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processors Socket AM5
- Memory
- 4x DDR5 UDIMM, Maximum Memory Capacity 256GB Memory Support DDR5 8200 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s Ryzen™ 9000 Series Processors max. overclocking frequency: • 1DPC 1R Max speed up to 8200+ MT/s • 1DPC 2R Max speed up to 6400+ MT/s • 2DPC 1R Max speed up to 6400+ MT/s • 2DPC 2R Max speed up to 6000+ MT/s Supports AMD POR Speed and JEDEC Speed Supports Memory Overclocking and AMD EXPOTM Supports Dual-Channel mode Supports Non-ECC, Un-buffered memory Supports CUDIMM, Clock Driver bypass mode only* * CUDIMM support and POR boot frequency may vary by CPU series, with manual overclocking available after boot. Certain CPUs may fail to boot, but future BIOS updates will improve compatibility. • The DIMM slots on this motherboard have single-sided latches. • Memory compatibility and supported speeds can vary depending on the CPU and memory configuration. For detailed information, please refer to the Memory Compatibility List available on the product’s Support page or visit https://www.msi.com/support/.
- Onboard Graphics
- 1x DisplayPort Support DisplayPort 1.2 with HBR2, maximum resolution of 4K 60Hz* *Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.
- Slot
- 4x PCI-E x16 slot PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU) PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset) PCI_E3 Gen PCIe 4.0 supports up to x4 (From Chipset) PCI_E4 Gen PCIe 3.0 supports up to x1 (From Chipset) PCI_E1 slot • Supports PCIe 5.0 x16 (For Ryzen™ 9000/ 7000 Series processors) • Supports PCIe 4.0 x8 (For Ryzen™ 8700/ 8600/ 8400 Series processors) • Supports PCIe 4.0 x4 (For Ryzen™ 8500/ 8300 Series processor) *PCI_E2, PCI_E3 & PCI_E4 share the bandwidth, PCI_E3 slot will run at x2 speed when installing devices in the PCI_E2 or PCI_E4 slot.
- Audio
- Realtek® ALC897 7.1-Channel High Definition Audio
- Storage
- 3x M.2 M.2_1 Source (From CPU) supports up to PCIe 5.0 x4 , supports 2280/2260 devices M.2_2 Source (From CPU) supports up to PCIe 4.0 x4 , supports 22110/2280 devices M.2_3 Source (From Chipset) supports up to PCIe 4.0 x2 , supports 2280/2260 devices 4x SATA 6G M2_1 slot • Supports up to PCIe 5.0 x4 (For Ryzen™ 9000/ 7000 Series processors) • Supports up to PCIe 4.0 x4 (For Ryzen™ 8000 Series processors) M2_2 slot • Supports up to PCIe 4.0 x4 (For Ryzen™ 9000/ 7000 Series processors) • Supports up to PCIe 3.0 x4 (For Ryzen™ 8500/ 8300 Series processors) *Please refer to the manual for M.2 SSD heatsink restrictions.
- RAID
- Supports RAID 0 and RAID 1 for SATA storage devices Supports RAID 0 and RAID 1 for M.2 NVMe storage devices
- USB
- 4x USB 2.0 (Rear) 4x USB 2.0 (Front) 1x USB 5Gbps Type A (Rear) 4x USB 5Gbps Type A (Front) 1x USB 10Gbps Type A (Rear) 2x USB 10Gbps Type C (Rear) 1x USB 10Gbps Type C (Front)
- LAN
- Realtek® 8126 5G LAN
- Internal IO
- 1x Power Connector(ATX_PWR) 2x Power Connector(CPU_PWR) 1x Power Connector(PCIE_PWR 8pin) 1x CPU Fan 1x Combo Fan (Pump_Sys Fan) 4x System Fan 1x EZ Conn-header (JAF_1) 2x Front Panel (JFP) 1x Chassis Intrusion (JCI) 1x Front Audio (JAUD) 1x Com Port (JCOM) 1x Tuning Controller connector(JDASH) 3x Addressable V2 RGB LED connector (JARGB_V2) 1x RGB LED connector(JRGB) 1x TPM pin header(Support TPM 2.0) 4x USB 2.0 ports 4x USB 5Gbps Type A ports 1x USB 10Gbps Type C ports
- WIRELESS LAN & BLUETOOTH
- Wi-Fi 7 Solution The Wireless module is pre-installed in the M.2 (Key-E) slot Supports MU-MIMO TX/RX, 2.4GHz/ 5GHz/ 6GHz* (160MHz) up to 2.9Gbps Supports 802.11 a/ b/ g/ n/ ac/ ax/ be Supports Bluetooth® 5.4**, MLO, 4KQAM * 6GHz band support may depend on every country’s regulations and Wi-Fi 7 will be ready in Windows 11 version 24H2. ** The Bluetooth version may be updated, please refer to the Wi-Fi chipset vendor’s website for details. Bluetooth 5.4 will be ready in Windows 11 version 24H2.
- LED FEATURE
- 4x EZ Debug LED 1x EZ Memory Detection LED
- BACK PANEL PORTS
- 01. Clear CMOS Button 02. USB 10Gbps (Type-A) 03. USB 2.0 04. 5G LAN 05. Wi-Fi / Bluetooth 06. Audio connectors 07. Flash BIOS Button 08. DisplayPort 09. USB 10Gbps (Type-C) 10. USB 10Gbps (Type-C) 11. USB 5Gbps (Type-A) 12. S/PDIF-OUT
- OPERATING SYSTEM
- Support for Windows® 11 64-bit
- PCB Info
- ATX 243.84mmx304.8mm
Warranty
3 Years manufacturer warranty from MSI. Warranty service is provided by the brand's authorised service centre under the brand's own terms; keep the original invoice and the serial number for any claim, and we will guide you through the process. Details are in our Warranty Policy.